G8. POLYNEIIID^E POLYNEMES. 
413 
a03.— POL\ KE.^IUS L iunsons. 
{Trichidion Klein] Gill.) 
(Linu. Syst. Na.t. : type roli/ncmus paradisceus Kinn.) 
Teeth in villiform bauds on both jaws, vomer, palatines, and ptery- 
goids. Preoperele sharply serrated on its posterior margin, its angle 
with a scaly flap. Scales rather small, finely ctenoid. First dorsal 
with 7 or 8 feeble, rather high spines, the first and last short. Soft 
dorsal and anal fins about equal to each other; pectoral filaments 3 to 
9. Pyloric coeca in great number. Species numerous in warm seas, 
(-(i/lyr, many; thread; from the numerous iiectoral appendages.) 
* Pectoral appendages 7. 
6410. P. pilDauEaci’i (Lac.) Gthr. 
Silvery; pectoral fins black. Maxillary extending backwards past 
eye to base of mandible. Pectoral filaments about as long as the fin. 
Spinous dorsal high ; soft dorsal similar to anal, its last ray produced. 
Head 3-^ in length; depth about 3i. D. Vll-I, 12; A. 11, 13; scales 
(j-58-10. West Indies; occasional on onr South Atlantic coast. 
{Polydactijlus plumieri Lac. v, pi. 14, f. 3; Gimtlier, ii, 321: Trichidion plumieri Gill, 
Proc. Ac. A at. 8ci. Pliila. 18G1, 279.) 
** Pectoral axipeudages 8. 
6>10. P. octoSsais (Gill) J. & G. 
Silvery, vertical fins pnnctulated with black; iiectoral fins black. 
Pectorid filaments short, reaching middle of interspace between dorsal 
fins. Maxillary 2g in length of head. Eyes large, about 4 in head. 
Head 34 in length; depth about 3^. 1). YIII-I, 11; A. II, 14; scales 
C-GO-10. New York ; one specimen known. 
{Trichidion octofilis Gill, Proc. Acad. Nat. Sci. Pbila. 18G1, 280.) 
65 S. P. ocSosacstaiis Grd. 
Brownish, sides silvery; fins Avhite. Pectoral filaments very long, the 
longest reaching past the front of the anal fin. Eye 4 in head. Head 
34; depth 3.>. H. Vlll-I, 12; A. II, 13; scales G-Gl-lO. {Girard.) 
Florida to Texas. 
(Girard, Proc. Acad. Nat. Sci. Pbila. 18.58, 167; Giiutber, ii, 320: Trichidion octom 
neinus Gill, Proc. Acad. Nat. Sci. Pbila. 1861, 286.) 
